Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Osamu Yamagishi"'
Autor:
Osamu Yamagishi
Publikováno v:
Physics of Plasmas. 29(10):102507
An alternative form of ad hoc collision model to the Fokker–Planck field collision operator is proposed. The model is so constructed that the results of exact Fokker–Planck field collision, applied to the low-order Legendre and associated Laguerr
Autor:
Shigeru Morita, Kazumichi Narihara, Katsumi Ida, J. Miyazawa, A. Wakasa, Osamu Yamagishi, Hiroshi Yamada, Masayuki Yokoyama, Mikiro Yoshinuma, Shigeru Inagaki, Clive Michael, Sadayoshi Murakami, Andrei Sanin, Kazuo Kawahata, Ichihiro Yamada, Kenji Tanaka, Leonid Vyacheslavov, Tokihiko Tokuzawa, Mamoru Shohji
Publikováno v:
Scopus-Elsevier
The characteristics of particle transport in three different magnetic configurations are studied from density modulation experiments in the Large Helical Device (LHD). These three configurations are represented as different magnetic axis positions (R
Autor:
Yasuhiro Suzuki, Noriyoshi Nakajima, A. H. Reiman, Osamu Yamagishi, Takaya Hayashi, Katsumi Kondo, Yuji Nakamura, D. A. Monticello
Publikováno v:
Nuclear Fusion. 44:387-394
Free boundary MHD equilibrium properties of Heliotron J are investigated by VMEC, HINT and PIES codes, and ideal MHD stability properties are studied by the Mercier criterion, the ballooning mode equation and the CAS3D global stability code. It is sh
Publikováno v:
PHYSICS OF PLASMAS. 10(7):2871-2880
The kinetic effects on the ideal ballooning and interchange/Mercier modes are studied in model equilibria for an L=2 heliotron, large helical device (LHD) [A. Iiyoshi et al., Nucl. Fusion 39, 1245 (1999)]. It is shown that the ion finite Larmor radiu
Publikováno v:
PHYSICS OF PLASMAS. 9(8):3429-3439
The global ballooning stability in a Heliotron J plasma [M. Wakatani et al., Nucl. Fusion 40, 569 (2000)] is studied by use of the CAS3D code (code for analysis of stability in three-dimensional systems) [C. Schwab, Phys. Fluids 5, 3195 (1993)]. The
Autor:
Takeshi Ido, Takeshi Higashiguchi, Noriyoshi Nakajima, M. Okamoto, Hideo Sugama, Hiroshi Yamada, Tsuyoshi Akiyama, Oliver Schmitz, Naoko Ashikawa, Shinsuke Satake, Masaharu Shiratani, Takashi Shimozuma, Kazuo Kawahata, M. Y. Tanaka, M. Ohno, Kazuo Toi, Shigeru Inagaki, Tetsuro Nagasaka, Shinji Hamaguchi, F. Castejón, Chihiro Suzuki, Arata Nishimura, J. Baldzuhn, M. Preynas, Masashi Kisaki, Hirohiko Tanaka, Y. Yamamoto, H. Miura, Takuya Saze, Y. Takemura, Yasunori Tanaka, Naofumi Akata, S. Morita, S. Sagara, Nobuaki Yoshida, Shinichiro Toda, Hisamichi Funaba, Osamu Yamagishi, Suguru Masuzaki, Ichihiro Yamada, Y. Takeuchi, Masaki Nishiura, Yutaka Matsumoto, José Luis Velasco, Kiyofumi Mukai, Yasuhiko Takeiri, Kazunori Koga, Motoshi Goto, Masanori Nunami, Arimichi Takayama, Chanho Moon, Ryuichi Sakamoto, Y. Hayashi, Ritoku Horiuchi, Hirotaka Chikaraishi, Seiji Ishiguro, Atsushi Ito, Yasuhiro Suzuki, Torsten Stange, R. Soga, Mieko Toida, Naoki Tamura, Kyosuke Shinohara, Hiroyuki A. Sakaue, Ryutaro Kanno, Hiroshi Kasahara, T. Kato, Gakushi Kawamura, Sadatsugu Takayama, K. Saito, Takeo Muroga, Seiya Nishimura, C. Skinner, Kensaku Kamiya, Sumio Kitajima, Katsuyoshi Tsumori, Tomohiro Morisaki, Izumi Murakami, Shin Kubo, K. Ito, Ryuhei Kumazawa, Shuji Kamio, Daisuke Nishijima, Masaki Osakabe, Juro Yagi, E. Bernard, Kazuya Takahata, Katsunori Ikeda, Osamu Mitarai, Motoki Nakata, Hiroyuki R. Takahashi, K. Nagaoka, Yuji Nakamura, Toseo Moritaka, Yasuhisa Oya, Hao Wang, N. Yamaguchi, Hayato Tsuchiya, Masayuki Yokoyama, Mizuki Sakamoto, Sadayoshi Murakami, Shinji Kobayashi, Akira Ejiri, Toshiyuki Mito, Suguru Takada, Masayuki Tokitani, I. A. Sharov, Mitsutaka Isobe, Sadatsugu Muto, Toru Ii Tsujimura, Daiji Kato, D. Gradic, Akihiro Ishizawa, Tsuguhiro Watanabe, R. Ishizaki, K.Y. Watanabe, C. Hidalgo, Shinsaku Imagawa, Keisuke Fujii, Ryohei Makino, Tokihiko Tokuzawa, Takashi Mutoh, Tetsuhiro Obana, Byron J. Peterson, M. Emoto, Hideya Nakanishi, Haruhisa Nakano, J.H. Lee, Sadao Masamune, Shinji Yoshimura, Yasushi Todo, Satoru Sakakibara, Teruya Tanaka, Mamoru Shoji, Katsumi Ida, Kenji Tanaka, Miyuki Yajima, T. Oishi, Shunsuke Usami, H. Noto, Akira Kohyama, Takuya Goto, Akio Sanpei, Yoshiro Narushima, Ryosuke Seki, Yasuo Yoshimura, A. Iwamoto, D. López-Bruna, Ryo Yasuhara, Yuji Nobuta, T. Kobayashi, Hiroki Hasegawa, Mikiro Yoshinuma, M. Sato, Naomichi Ezumi, K. Nishimura, Makoto I. Kobayashi, Hiroto Matsuura, Kazunobu Nagasaki, W.H. Ko, Yoshio Nagayama, Joon-Wook Ahn, E. Yatsuka, Yoshiki Hirooka, Naoki Mizuguchi, Nagato Yanagi, Tomo-Hiko Watanabe, Kunihiro Ogawa, Akihiro Shimizu, Osamu Kaneko, Katsuji Ichiguchi, Hitoshi Tamura, Gen Motojima, Tetsuo Seki, Takeo Nishitani, T. Bando, Y. Gunsu, Hiroaki Ohtani, Satoshi Ohdachi, J. Miyazawa, Hiroe Igami, Todd Evans, Yoshimitsu Hishinuma, Y. Ito, Noriyasu Ohno, T. Ozaki
Publikováno v:
Y. Takeiri et al 2017 Nucl. Fusion 57 102023
Nuclear Fusion
Nuclear Fusion
As the finalization of a hydrogen experiment towards the deuterium phase, the exploration of the best performance of hydrogen plasma was intensively performed in the large helical device. High ion and electron temperatures, Ti and Te, of more than 6
Autor:
Y. Ikeda, K. Toshi, T. Kobayashi, Y. Ijiri, Sakae Besshou, M. Takeda, Y. Liu, Hiroyuki Okada, W.L. Ang, Kiyoshi Hanatani, Yuji Nakamura, K. Yaguchi, K. Tomiyama, Osamu Yamagishi, K. Sakamoto, K. Kondo, T. Mizuuchi, M. Shibano, Masahiko Nakasuga, T. Takamiya, T. Senju, Y. Kawazome, Tokuhiro Obiki, Masahiro Wakatani, Kazunobu Nagasaki, T. Hamada, Fumimichi Sano, H. Shidara, Y. Manabe, K. Aizawa, S. Maeno
Publikováno v:
Nuclear Fusion. 41:833-844
Results obtained in the initial experimental phase of Heliotron J are reported. Electron beam mapping of the magnetic surfaces at a reduced DC magnetic field has revealed that the observed surfaces are in basic agreement with the ones calculated on t
Publikováno v:
Physics of Plasmas. 8:2750-2759
Ideal magnetohydrodynamic stability analysis of local pressure-driven modes in an L=1 heliotron, Heliotron J [M. Wakatani et al., Nucl. Fusion 40, 569 (2000)], is investigated by means of three-dimensional (3D) ballooning formalism and the Mercier cr
Autor:
Yohji Watanabe, Hideho Arakida, N. Machida, Osamu Yamagishi, T. Samata, Tsuyoshi Nishikawa, Tohru Furuyama, M. Takahashi, Shigenobu Minami, Toshihide Fujiyoshi, T. Terazawa, K. Ohmori, J. Shirakura, Asano Atsushi, M. Hamada, Tadahiro Kuroda, Toshinari Takayanagi, Hideaki Yamamoto, Hiroshi Nakamura
Publikováno v:
IEEE Journal of Solid-State Circuits. 35:1713-1721
A 240-mW single-chip MPEG-4 videophone LSI with a 16-Mb embedded DRAM is fabricated utilizing a 0.25-/spl mu/m CMOS triple-well quad-metal technology. The videophone LSI is applied to the 3GPP 3G-324M video-telephony standard for IMT-2000, and implem
Autor:
Osamu Yamagishi, Hideo Sugama
Publikováno v:
Physics of Plasmas. 23:032305
Nonlinear fluid simulation of turbulence driven by ion temperature gradient modes in the tokamak fluxtube configuration is performed by combining two different closure models. One model is a gyrofluid model by Beer and Hammett [Phys. Plasmas 3, 4046